126412043 has 4 divisors (see below), whose sum is σ = 128554680. Its totient is φ = 124269408.

The previous prime is 126412037. The next prime is 126412057. The reversal of 126412043 is 340214621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126412043 - 2¹⁸ = 126149899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126012043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071230 + ... + 1071347.

It is an arithmetic number, because the mean of its divisors is an integer number (32138670).

Almost surely, 2^126412043 is an apocalyptic number.

126412043 is a deficient number, since it is larger than the sum of its proper divisors (2142637).

126412043 is an equidigital number, since it uses as much as digits as its factorization.

126412043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142636.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 126412043 is about 11243.3110336769. The cubic root of 126412043 is about 501.8756788590.

Adding to 126412043 its reverse (340214621), we get a palindrome (466626664).

The spelling of 126412043 in words is "one hundred twenty-six million, four hundred twelve thousand, forty-three".